Install Windows From External Hard Drive High Quality -

diskpart list disk (find your external drive – be careful not to pick the wrong one ) select disk 2 (for example) list partition select partition 1 active exit

Then you use bootsect /nt60 F: (where F: is your external drive) to write the Windows boot code onto it. install windows from external hard drive

You mount the Windows ISO (double-click it in Windows 10/11) or extract it with 7-Zip. Then you simply copy all files and folders from the ISO to the external drive. That’s it — no special tools needed. diskpart list disk (find your external drive –

You plug the external drive into the target computer, restart, and enter the boot menu (usually F12, ESC, or F2). You select “USB Hard Drive” or the external drive’s name. The computer boots straight into the blue Windows Setup screen — just as if you were using a USB flash drive. That’s it — no special tools needed

Some older computers won’t boot from an external hard drive via USB. And if your external drive is slow (5400 RPM), the initial boot to setup might take a minute or two. But once the Windows installer loads into RAM, speed is fine.